Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B23/00—Component parts of escalators or moving walkways
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B23/00—Component parts of escalators or moving walkways
  • B66B23/08—Carrying surfaces
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B29/00—Safety devices of escalators or moving walkways

Definitions

• the present invention relates to a ground cover for a
• Passenger conveyor such as an escalator or a moving walk.
• the invention further relates to a passenger conveyor with such
• Escalators or moving walks serve to carry people along an inclined or a horizontal traverse.
• a person conveyor i. adjacent to the travel path, there is generally a so-called underfloor space.
• This underfloor space accommodates, for example, technical facilities of the passenger conveyor, such as its drive unit, control unit, etc. So that a person the
• bottom covers are provided with transverse grooves to prevent slipping on their upwardly directed tread surface, in the transverse grooves
• a ground cover for a passenger conveyor in which an accidental lifting or opening (acting upward force) is avoided or at least made more difficult.
• a suitably equipped passenger conveyor may be used to convey a ground cover caught, accidentally forces to the ground cover so that it raises unintentionally or even opens.
• the bottom cover has at least one first and one second plate-shaped cover element arranged one behind the other as well as at least one coupling element.
• Each cover element has an upwardly directed tread surface and at opposite ends in each case a first and a second end face.
• a first and a second cover element are arranged one behind the other such that a first end face of the first cover element of a second
• the coupling element is interposed between the first end face of the first cover member and the second end face of the second cover member.
• the coupling element has at least one coupling region with a coupling pivot point.
• the coupling region is configured to couple the first cover element to the second cover element in such a way that the first cover element and the second cover element can be loaded with one another on an upwardly directed train and relative to one another about the second cover element
• Coupling pivot point are connected bendable.
• At least one resilient return area is formed on the coupling element, which is vertically below the coupling pivot point between the first
• This resilient return area causes a restoring force acting on the adjacent end faces and deflected by the coupling pivot point as soon as one of the
• the deflected restoring force is directed such that the lifted cover member subjected to its position in the desired configuration towards force becomes.
• the restoring force generated by the return area and deflected by the coupling pivot point counteracts the lifting force acting on one of the cover elements.
• the terms “up” and “down” or “up” and “down” refer to the position and orientation of the components of an operational person conveyor. Therefore, a force acting upwards on the cover element counteracts, at least in part, the force of gravity, whereas a downward force is directed in the direction of the force of gravity or has a force vector pointing in the direction of the force of gravity.
• a passenger conveyor which comprises a conveyor unit for conveying persons along a travel path, an underfloor space adjacent to the travel path and a
• Floor cover according to an embodiment of the first aspect of the invention, which covers the underfloor space comprises.
• the entire floor covering is made up of segmented segments of the plurality of cover elements, wherein the individual cover elements can be raised and optionally unfolded in order to be able to easily open the floor cover.
• the cover elements are plate-shaped, i. essentially two-dimensional, i. Dimensions of the cover elements within a
• Extension plane are much larger than a thickness of the cover elements transverse to the plane of extension.
• Each cover forms at its top a tread over which a person can go and which, for example, to reduce a
• the Covering elements may be generally planar or slightly curved.
• the cover should be sufficiently stable and stable to withstand the forces exerted by people passing forces.
• the cover elements may for example consist of metal, in particular of aluminum, and be produced for example by extrusion.
• ground cover is raised inadvertently, for example by an inadvertent exerted by a passenger, for example via a hooked shoe an upward force on a cover of the bottom cover.
• the cover elements are arranged one behind the other such that their tread surfaces abut each other with respective end faces of adjacent cover elements facing each other.
• the cover elements were usually at least weakly coupled to train with each other by coupling elements arranged between them. If necessary, the were
• Coupling elements also designed to avoid that adjacent metallic cover elements rub directly against each other and thereby could produce, for example, creaking noises.
• the depth of the transverse grooves had to be limited so that nothing could get stuck in the transverse grooves.
• the individual cover elements can not by exerting an upward force through which act on them
• the coupling element is provided with at least one so-called reset area.
• This reset area is designed to be in addition to the on
• Cover effect gravitational force to cause a restoring force, which is deflected by the coupling pivot point, directed such that it counteracts a lifting of the cover.
• the restoring force is effected as soon as it is attempted to lift the cover.
• the restoring force acts such that when attempting to lift a cover of the bottom cover, this cover is subjected to such force that it is charged back into the predetermined desired configuration. Due to the resilient configuration of the return area, the restoring force is elastically resiliently effected.
• the coupling element and the cover elements are designed such that the return region is arranged vertically below the coupling region or the coupling pivot point, supported on the one hand on the first end face of the first cover member and on the other on the second end face of the second cover member.
• the cover elements are designed at their opposite end faces and disposed between these end faces coupling element such that the return portion of the coupling element is below its coupling region, that is further away from the upwardly directed tread surface and arranged below the tread coupling pivot point ,
• the restoring area lies against its opposite sides on the respective end faces of the two opposite cover elements and is supported on these.
• Coupling pivot point ie near the tread, remove from each other and want to move below the coupling pivot point to each other.
• Such a Tilting counteracts the provided below the coupling pivot point of the coupling element reset area. As a result, a lifting of the cover is ultimately counteracted.
• the coupling element is formed with polymer material.
• the coupling element may consist of polymer material.
• the coupling element can be produced, among other things, simply and cost-effectively, for example by injection molding.
• the coupling element is formed with polypropylene or consists of polypropylene.
• other polymer materials, additives or the like can be added to the polypropylene to the latter
• the coupling element is integrally formed.
• the coupling element can be provided as a single component and can integrate and include both the coupling area and the reset area.
• the coupling element can thus be produced inexpensively and simply, for example by injection molding. Also a warehouse, logistics and / or
• the coupling element is formed in the return area with a material having a Shore A hardness of more than 65, preferably more than 70, and more preferably more than 75. At least in the return area, the coupling element is thus preferably relatively hard or firm. This allows a strong restoring force can be effected without causing significant deformation.
• the coupling element is formed in the coupling region with a material having a Shore A hardness of less than 65, preferably less than 60, and more preferably less than 50.
• the coupling element may thus preferably be relatively soft.
• the coupling element in its coupling region with a softer material be formed as in his return area. The coupling region can thus be easily deformed locally, for example, to lock it in one of the cover can.
• the bottom cover further includes a damper member interposed between the first end surface of the first cover member and the second end surface of the second cover member in a region where the first and second end surfaces are minimally spaced from each other in the presence of the target configuration of the bottom cover ,
• This damping element can absorb, for example, longitudinal forces acting between these cover elements.
• Damping element can avoid that, for example, metal surfaces of both adjacent cover directly abut each other and thereby creaking noises and / or wear occur by rubbing these metal surfaces.
• the damping element is preferably provided at a position at which the opposite end faces of both adjacent cover elements are minimally spaced from each other, that is, a gap between the adjacent
• Damping element made with a material which has a higher hardness than a material with which the coupling element is formed in its return region. Due to its high hardness, the damping element can withstand high pressure forces, as they can occur between the cover, for example due to thermally induced dimensional changes.
• a hardness of the material used for the damping element by at least 5%, preferably at least 10% or at least 20%, higher than the hardness of the material used for the return range of the coupling element or the hardness of this material by, for example, at least 5, preferably at least 10, Shore A hardness levels exceed. According to a specific embodiment of this embodiment is
• Damping element formed with polyamide or consists of polyamide is a relatively hard, durable polymeric material that can be easily and inexpensively manufactured and processed.
• Damping element attached to the coupling element.
• the damping element may be attached directly to the coupling element.
• a unit of damping element and coupling element can thus be manufactured, stored, handled and ultimately installed together.
• the damping element is formed integrally with the coupling element. That is, the damping element may be an integral part of the coupling element. In this case, the damping element, for example, protrude from the coupling region of the coupling element.
• the damping element which is preferably made of polymer material, can for example be molded onto a region of the coupling element in a materially bonded manner. It may, but does not necessarily need, that the damping element made of a different polymer material than areas of the coupling element.
• the damping element may consist of polyamide, whereas the coupling region and the return region of the coupling element are preferably made of polypropylene.
• Fig. 1 shows a passenger conveyor.
• Fig. 2 shows a sectional view through a bottom cover of a
• FIG 3 shows a sectional view through two cover elements of a conventional floor covering coupled to one another.
• Fig. 4 illustrates an inadvertent lifting of a cover member of a floor cover.
• Fig. 5 shows a sectional view through two cover elements of a floor covering coupled together according to an embodiment of the present invention.
• Fig. 6 shows a sectional view through two cover elements of a floor covering coupled together according to a further embodiment of the present invention.
• Fig. 1 shows a passenger conveyor 1 in the form of an escalator.
• Feed unit 2 can transport people along a travel path 4.
• a lower floor space 3 is provided by, for example, a drive, a controller, etc. (not shown) are added.
• Each underfloor space 3 is covered with a bottom cover 5, so that people can walk over a tread surface formed by this 7 and enter the escalator or can leave.
• Fig. 2 shows an enlarged sectional view through a bottom cover 5.
• Floor cover 5 is made of a plurality of plate-shaped cover elements. 9
• the cover elements 9 are illustrated in the illustrated
• Target configuration arranged one behind the other in a common plane, wherein first and second end faces 11, 13 of adjacent cover elements 9 each
• the foremost cover element 9 (in the figure far left) is tapered and adjacent to a comb plate 15 at.
• a support structure 16 supports the bottom cover 5.
• FIG. 3 shows a sectional view through two covering elements 9 of a conventional floor covering which are coupled to one another and enlarge the area "A" from FIG. 2.
• the two cover elements 9 adjoin one another along a boundary line 23 with their first and second end faces 11, 13, respectively.
• a coupling element 17 engages on the one hand with a nose 18 in a cavity 19 of the first cover member 9 and is locked in this form-fitting manner.
• a projection 21 engages on the opposite second cover member 9 from an opposite side into the ⁇ -shaped nose 18 of the coupling member 17 a.
• the two cover elements 9 are connected to each other via the coupling element 17 to train load.
• the cover elements 9, when lifted at one point, can be tilted relative to each other. This is used, in particular, to be able to fold away the cover elements 9 in order, for example, to locally remove the bottom cover 5 during a maintenance operation and to be able to expose the underlying underfloor space 3.
• the transverse grooves would be deeper and therefore stuck in a heel, it would be next to such
• Fig. 4 is shown by way of example, as a shoe 25 with his paragraph in
• FIG. 5 shows by way of example an inventive coupling element 17 which couples two adjacent cover elements 9.
• the coupling element 17 is interposed between the opposite end faces 11, 13 of the two cover elements 9.
• the coupling element 17 has both a coupling region 27 and a return region 29.
• Reset area 29 are integrated in a single element forming the coupling element 17.
• the coupling region 27 may be designed to be similar to the conventional coupling element 17 shown in FIG. 3.
• a nose 18 may engage in a cavity 19 of the first cover element 9 in an undercut manner and be locked in a form-fitting manner.
• a protruding from the second cover 9 at the second end face 13 projection 21 can be inserted from behind into the nose 18, optionally frictionally engaged. In this way, the
• Coupling region 27 sufficiently connect the two cover elements 9 to train upwards loadable each other.
• the coupling region 27 is configured such that the two cover elements 9 can be tilted relative to each other. To enable this, there is sufficient local clearance between the projection 21 and the coupling element 17 in the form of a coupling pivot 20. In other words, this means that two cover elements 9 arranged next to one another are coupled in such a way that the first cover element 9 and the second cover element 9 are connected to each other so as to be capable of upward tension and are articulated relative to each other about the coupling pivot point 20.
• Coupling pivot 20 is integrally formed on the coupling element 17 of the return portion 29.
• the return area 29 is in this case to the geometry of the two
• End surfaces 11, 13 of the opposite cover 9 adapted that this on one side to the first end face 11 of the first cover member 9 and on the opposite side on the second end face 13 of the second cover member 9 is supported.
• a projecting area 31 is formed on the first end face 11 for this purpose, on which the restoring area 29 can be supported.
• At the second end face 13 is an opposite end of the return portion 29 and is supported there.
• the coupling region 27 may be formed, for example, with a Shore A hardness of 50 to 60, whereas the restoring region 29 has a Shore A hardness of 70 can be trained to 75.
• the nose 18 is easier inserted and latched into the cavity 19 and the projection 21 can be better inserted from behind into the nose 18.
• the harder and thus stronger return area 29 can provide a more stable support and a higher restoring force between the two cover elements 9.
• the entire coupling element 17 may be formed with a polymer material such as polypropylene or at least partially
• Polypropylene exist. It may be advantageous to form the different regions of different hardness, for example by adding additives. As can be seen in FIG. 5, a damping element 35 is interposed in addition to the coupling element 17 between the two cover elements 9.
• Damping element 35 is interposed at a position between the opposite end faces 11, 13 of the two cover 9, where they are minimally spaced from each other. In the example shown, this is in an area directly adjacent to the tread surfaces 7.
• the damping element 35 is intended to prevent areas of the cover elements 9, which are typically made of metal, from directly adjoining one another and thus rubbing against one another during movements of the two cover elements 9 relative to one another and can produce disturbing noises.
• the damping element 35 as a sealing lip between the adjacent
• Cover elements 9 serve in the region of the boundary line 23.
• the coupling element 17 and the damping element 35 may be formed with polymer material. However, it may be beneficial that
• the damping element 35 may be formed with hard polyamide.
• the coupling element 17 and the damping element 35 are provided as two separate components, these elements are formed in the embodiment shown in Fig. 6 as a single integrated component.
• a further extension is formed on the coupling element 17, which serves as a damping element 35 and in the region of the boundary line 23 between the closely adjacent regions of the two opposing end faces 11, 13 of the coupling element with the 17th extends to cover elements 9 to be coupled.
• the coupling element 17 may also be formed in one piece preferably in this case and can be produced, for example, by injection molding, it may also be possible in such a configuration, the area of the
• Damping element 35 with a harder material to design than the
• Coupling region 27 and / or the reset area 29 are different materials.
• the coupling and the Return portion 27, 29 are formed with polypropylene, whereas the region of the damping element 35 can be formed with harder polyamide.

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• Escalators And Moving Walkways (AREA)
• Floor Finish (AREA)

Priority Applications (7)

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Publications (1)

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Citations (4)

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• 2017
  • 2017-10-03 EP EP17777056.7A patent/EP3529191B1/de active Active
  • 2017-10-03 KR KR1020197013460A patent/KR102399377B1/ko active IP Right Grant
  • 2017-10-03 CN CN201780064538.0A patent/CN109843775B/zh active Active
  • 2017-10-03 US US16/343,170 patent/US10513420B2/en active Active
  • 2017-10-03 WO PCT/EP2017/075025 patent/WO2018072988A1/de unknown
  • 2017-10-03 PL PL17777056T patent/PL3529191T3/pl unknown
  • 2017-10-03 ES ES17777056T patent/ES2844251T3/es active Active

Patent Citations (4)

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